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SODIUM SESQUICARBONATE DIHYDRATEICSC: 1511
Carbonic acid, sodium salt, hydrate (2:3:2)
Trona
Natural sodium sesquicarbonate
April 2004
CAS #: 6106-20-3

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Not combustible.        In case of fire in the surroundings, use appropriate extinguishing media.   

   
  SYMPTOMS PREVENTION FIRST AID
Inhalation Cough. Sore throat.  Use local exhaust or breathing protection.  Fresh air, rest. 
Skin Redness. Dry skin.  Protective gloves.  Rinse skin with plenty of water or shower. 
Eyes Redness.  Wear safety goggles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion   Do not eat, drink, or smoke during work.  Rinse mouth. 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Wash away remainder with plenty of water. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
Separated from acids. 
PACKAGING
 
SODIUM SESQUICARBONATE DIHYDRATE ICSC: 1511
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
SOLID IN VARIOUS FORMS. 

Physical dangers
 

Chemical dangers
The solution in water is a weak base. Reacts with acids. 

Formula: C2H5Na3O8 / Na2CO3.NaHCO3.2H2O
Molecular mass: 226.0
Decomposes at 70°C
Density: 2.1 g/cm³
Solubility in water, g/100ml at 20°C: 16  


EXPOSURE & HEALTH EFFECTS

Routes of exposure
 

Effects of short-term exposure
The substance is irritating to the eyes, skin and respiratory tract. 

Inhalation risk
A nuisance-causing concentration of airborne particles can be reached quickly, especially if powdered. 

Effects of long-term or repeated exposure
Repeated or prolonged contact with skin may cause dermatitis. 


OCCUPATIONAL EXPOSURE LIMITS
 

ENVIRONMENT
 

NOTES
 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations